The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Mar. 10, 2026

Filed:

Sep. 30, 2020
Applicant:

Furukawa Electric Co., Ltd., Tokyo, JP;

Inventors:

Yoshikatsu Inagaki, Tokyo, JP;

Yasuhiro Uchimura, Tokyo, JP;

Shuta Hikichi, Tokyo, JP;

Tatsuro Miura, Tokyo, JP;

Hiroshi Sakai, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F28D 15/02 (2006.01); F28D 15/04 (2006.01);
U.S. Cl.
CPC ...
F28D 15/0233 (2013.01); F28D 15/0275 (2013.01); F28D 15/046 (2013.01);
Abstract

A heat sink includes a plurality of heat pipes to be thermally connected to a heating element, and a heat dissipation section thermally connected to the plurality of heat pipes, in which in the plurality of heat pipes, at least evaporation sections to be thermally connected to the heating element have flattened portions whose cross sectional shape in a direction orthogonal to a heat transfer direction of the plurality of heat pipes is flattened, and surfaces in the flattened portions in a thickness direction are arranged facing the heating element.


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